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In this study, nandrolone decanoate treatment in rats caused persistent diestrus and altered steroid receptor expression and sex hormones, especially at higher doses, with partial reversibility at lower doses over time.

This study found that while isotretinoin lowered levels of female hormones in patients with severe acne, it did not significantly impact ovarian reserve function.

This case report describes a 60-year-old woman with an ovarian Leydig cell tumor leading to elevated testosterone levels and hirsutism, highlighting the need to consider androgen-secreting tumors in similar postmenopausal cases.

This study suggests that insulin levels may influence ovarian volume in women with idiopathic hirsutism who have normal ovulatory cycles and androgen levels.

In this case study, an 8-year-old female Huacaya alpaca displaying male behavior was diagnosed with an ovarian benign interstitial (Leydig) cell tumor, indicated by elevated testosterone levels.

This abstract discusses the importance of controlling visible abdominal tumors in women with ovarian cancer to improve survival, and notes that nonvisible microscopic tumors are then targeted with chemotherapy; it reports no new results.

This case study reports that a virilizing Leydig cell type ovarian tumor in a 40-year-old woman caused hyperandrogenism and virilization symptoms, which improved post-surgery.

This case report describes a 60-year-old postmenopausal woman with virilization and hirsutism caused by hilus-cell hyperplasia, which was confirmed following bilateral salpingo-oophorectomy.

In this study, long-term normalization of testosterone levels in postmenopausal women with hyperandrogenism did not improve body mass index, glucose, or lipid metabolism.

This study reported a rare case of ovarian steroid cell tumor removal resulting in normalized hormone levels, resumption of menstruation, and subsequent spontaneous pregnancy in a 31-year-old woman.

This case series observed that ovarian hyperthecosis can manifest with hyperandrogenism and insulin resistance in postmenopausal women, even when serum testosterone levels are below diagnostic thresholds, suggesting potential gaps in current diagnostic criteria.

This study observed that the OCIAD2 and DCN genes in Liaoning cashmere goats have opposite effects on hair growth by interacting with the TGF-β signaling pathway, influencing follicle morphogenesis and periodic changes.

This case report documents a 3-year-old guinea pig with hormonally active ovarian cysts, cystic endometrial hyperplasia, and bacterial endometritis associated with a uterine foreign body.

This study found that the ovarian stromal area to total ovarian area ratio alone is not a strong predictor of biochemical hyperandrogenism in Thai women with PCOS, but combining it with clinical hyperandrogenism improves prediction.

This study found that, among fertile egg donors, the AR gene CAG polymorphism was associated with differences in antral follicle count but did not impact ovarian response to gonadotrophins.

This study found that anti-mullerian hormone levels are significantly elevated in infertile women with polycystic ovarian syndrome compared to those with regular cycles, suggesting it as a potential marker for diagnosing PCOS-related infertility.

This article discusses the importance of optimizing treatment protocols for chemotherapy-induced alopecia and reports no new clinical results; the authors emphasize improving patient outcomes and quality of life.

This research highlighted that the gut microbiota may influence ovarian health, suggesting it could be used as a biomarker for early diagnosis and treatment of diseases like PCOS, ovarian insufficiency, and ovarian cancer due to its impact on hormone levels.

In this study, the combination of exercise and finasteride improved ovarian morphology and hormone levels in rats with polycystic ovary syndrome more effectively than either treatment alone.

This case report discusses a postmenopausal woman whose hyperandrogenism and metabolic symptoms improved significantly after the surgical removal of an ovarian Leydig cell tumor, confirmed post-operatively.

This case report describes three instances where occult ovarian Leydig cell tumors were suspected based on severe hyperandrogenism symptoms, despite negative imaging findings, highlighting that elevated testosterone levels are a crucial diagnostic marker.

This case report describes an 80-year-old woman with severe androgenic alopecia linked to Leydig cell hyperplasia in an ovarian cyst, highlighting the need to investigate androgen-secreting tumors in similar cases.

This study found that a combined oral contraceptive containing ethinyl estradiol and desogestrel appeared effective in temporarily treating ovarian hyperandrogenism in adolescents, with reductions in hormone levels and ovarian volume observed.

This study found significant correlations between old and new ultrasound devices for measuring NF and ovarian volume, being the first on the African continent to reassess ultrasound criteria for PCOS.

This study found that elevated serum AMH levels can be a strong predictor for diagnosing PCOS among women of reproductive age, when used alongside the other Rotterdam criteria.

In this case study, a 71-year-old woman with postmenopausal hirsutism was diagnosed with a Leydig cell tumor and endometrial carcinoma, with hirsutism improving one month after surgery.

This report describes two cases of postmenopausal hyperandrogenism where GnRH analogue use suggested an ovarian source of excess androgens, leading to a diagnosis of benign ovarian tumors.

This study found that the currently established ultrasound cut-off values for diagnosing PCOS are not applicable to Indian women, suggesting that region-specific criteria improve diagnostic accuracy.

This case report details a woman with autoimmune primary ovarian insufficiency linked to hormonal contraception discontinuation, who achieved pregnancy through ovarian stimulation and in vitro fertilization despite typically low fertility in such conditions.

A postmenopausal woman's masculine symptoms improved after surgery for a hormone-producing ovarian tumor.